FR2501799B1 - Dispositif de reduction par paliers de la charge pour compresseur rotatif a vis helicoidales - Google Patents

Dispositif de reduction par paliers de la charge pour compresseur rotatif a vis helicoidales

Info

Publication number
FR2501799B1
FR2501799B1 FR8121357A FR8121357A FR2501799B1 FR 2501799 B1 FR2501799 B1 FR 2501799B1 FR 8121357 A FR8121357 A FR 8121357A FR 8121357 A FR8121357 A FR 8121357A FR 2501799 B1 FR2501799 B1 FR 2501799B1
Authority
FR
France
Prior art keywords
reduction device
rotary compressor
load reduction
helical screws
helical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8121357A
Other languages
English (en)
French (fr)
Other versions
FR2501799A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunham Bush Inc
Original Assignee
Dunham Bush Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dunham Bush Inc filed Critical Dunham Bush Inc
Publication of FR2501799A1 publication Critical patent/FR2501799A1/fr
Application granted granted Critical
Publication of FR2501799B1 publication Critical patent/FR2501799B1/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/12Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F04C28/125Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR8121357A 1981-03-10 1981-11-16 Dispositif de reduction par paliers de la charge pour compresseur rotatif a vis helicoidales Expired FR2501799B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/242,100 US4388048A (en) 1981-03-10 1981-03-10 Stepping type unloading system for helical screw rotary compressor

Publications (2)

Publication Number Publication Date
FR2501799A1 FR2501799A1 (fr) 1982-09-17
FR2501799B1 true FR2501799B1 (fr) 1985-07-19

Family

ID=22913451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121357A Expired FR2501799B1 (fr) 1981-03-10 1981-11-16 Dispositif de reduction par paliers de la charge pour compresseur rotatif a vis helicoidales

Country Status (6)

Country Link
US (1) US4388048A (zh)
JP (1) JPS57148098A (zh)
CA (1) CA1178256A (zh)
DE (1) DE3143328A1 (zh)
FR (1) FR2501799B1 (zh)
GB (1) GB2094401B (zh)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE430709B (sv) * 1982-04-30 1983-12-05 Sullair Tech Ab Skruvkompressor med anordning for reglering av inre kompressionen skruvkompressor med anordning for reglering av inre kompressionen
GB2159980B (en) * 1982-09-10 1987-10-07 Frick Co Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
US4548549A (en) * 1982-09-10 1985-10-22 Frick Company Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
US4508491A (en) * 1982-12-22 1985-04-02 Dunham-Bush, Inc. Modular unload slide valve control assembly for a helical screw rotary compressor
US4495778A (en) * 1984-02-14 1985-01-29 Dunham-Bush, Inc. Temperature and pressure actuated capacity control system for air conditioning system
US4575323A (en) * 1984-05-23 1986-03-11 Kabushiki Kaisha Kobe Seiko Sho Slide valve type screw compressor
US4678406A (en) * 1986-04-25 1987-07-07 Frick Company Variable volume ratio screw compressor with step control
JPH0762477B2 (ja) * 1986-07-01 1995-07-05 株式会社日立製作所 スクリユ−圧縮機
SE8700199D0 (sv) * 1987-01-20 1987-01-20 Atlas Copco Ab Rotary compressor
SE464657B (sv) * 1987-03-04 1991-05-27 Stal Refrigeration Ab Reglersystem foer reglering av en rotationskompressors inre volymfoerhaallande
SE469437B (sv) * 1987-10-28 1993-07-05 Stal Refrigeration Ab Reglersystem foer reglering av en rotationskompressors inre volymfoerhaallande
US6139280A (en) * 1998-01-21 2000-10-31 Compressor Systems, Inc. Electric switch gauge for screw compressors
US6302668B1 (en) * 2000-08-23 2001-10-16 Fu Sheng Industrial Co., Ltd. Capacity regulating apparatus for compressors
CN101400889B (zh) * 2006-03-13 2012-10-03 开利公司 具有热气体旁路口的滑阀
EP2198125B1 (en) * 2007-10-01 2017-06-21 Carrier Corporation Screw compressor pulsation damper
US8459963B2 (en) * 2007-10-10 2013-06-11 Carrier Corporation Screw compressor pulsation damper
EP2246572B1 (en) * 2007-12-28 2015-09-23 Daikin Industries, Ltd. Screw compressor
US8096288B2 (en) * 2008-10-07 2012-01-17 Eaton Corporation High efficiency supercharger outlet
US9850902B2 (en) 2009-03-26 2017-12-26 Johnson Controls Technology Company Compressor with a bypass port
CN102460036A (zh) 2009-06-12 2012-05-16 开利公司 具有多负载模式的制冷剂系统
US8813492B2 (en) * 2009-10-14 2014-08-26 Hansen Engine Corporation Internal combustion engine and supercharger
US9267504B2 (en) 2010-08-30 2016-02-23 Hicor Technologies, Inc. Compressor with liquid injection cooling
CA2809945C (en) 2010-08-30 2018-10-16 Oscomp Systems Inc. Compressor with liquid injection cooling
DE102013020534A1 (de) * 2013-12-12 2015-06-18 Gea Refrigeration Germany Gmbh Verdichter
CN204099200U (zh) * 2014-09-23 2015-01-14 江森自控空调冷冻设备(无锡)有限公司 可调内容积比的螺杆压缩机
FR3034464B1 (fr) 2015-04-03 2017-03-24 Snecma Refroidissement du circuit d'huile d'une turbomachine
US9797299B2 (en) * 2015-11-02 2017-10-24 Hansen Engine Corporation Supercharged internal combustion engine
US11022122B2 (en) * 2016-06-01 2021-06-01 Trane International Inc. Intermediate discharge port for a compressor
DE102018131587A1 (de) * 2018-12-10 2020-06-10 Nidec Gpm Gmbh Regelbare Schraubenspindelpumpe
CN110566461A (zh) * 2019-09-11 2019-12-13 珠海格力电器股份有限公司 双级压缩机及双级压缩机的控制方法及空调机组
CN114352523B (zh) * 2022-02-15 2024-08-02 珠海格力电器股份有限公司 螺杆压缩机及其控制方法以及空调设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1171291A (en) * 1965-10-12 1969-11-19 Svenska Rotor Maskiner Ab Screw Rotor Machines
JPS5641833B2 (zh) * 1973-12-17 1981-09-30
JPS524763A (en) * 1975-06-30 1977-01-14 Mitsubishi Electric Corp Phase modulation receiving device
FR2339761A1 (fr) * 1976-01-27 1977-08-26 Howden Compressors Ltd Perfectionnements aux compresseurs

Also Published As

Publication number Publication date
JPS57148098A (en) 1982-09-13
GB2094401A (en) 1982-09-15
FR2501799A1 (fr) 1982-09-17
JPH0147636B2 (zh) 1989-10-16
GB2094401B (en) 1984-08-30
CA1178256A (en) 1984-11-20
DE3143328A1 (de) 1982-09-23
DE3143328C2 (zh) 1991-05-08
US4388048A (en) 1983-06-14

Similar Documents

Publication Publication Date Title
FR2501799B1 (fr) Dispositif de reduction par paliers de la charge pour compresseur rotatif a vis helicoidales
FR2530742B1 (fr) Compresseur volumetrique a vis
GB8313668D0 (en) Door hinge device
IL65274A0 (en) Portable lavage device
AU549061B2 (en) Scroll pump with anti-rotation device
BE864287A (fr) Couvercle a vis comportant un systeme d'ouverture automatique
GB2112449B (en) Device for operating a sliding door
GB2154291B (en) Anti rotation device
FR2599650B2 (fr) Dispositif de coulee en charge de metaux
DE3274578D1 (en) Hinge device for firearms
IT1153581B (it) Dispositivo regolatore per un compressore e specialmente per un compressore a vite
IT1194462B (it) Complesso di tenuta lubrificato a doppia angolazione
KR890700411A (ko) 녹아웃기구의 형윤활제 배출장치
GB2104725B (en) Variable capacitance device
JPS57181165A (en) Charge coupled device
DE3274314D1 (en) Positioning device for objects with a low mass
IT8222527A0 (it) Nastro per la sicura di spolette di proietti in dipendenza della rotazione elicoidale.
GB8830328D0 (en) Smoke-resistant barrage device for closed places
FR2534653B3 (fr) Dispositif de guidage pour pistons d'actionneurs hydrauliques rotatifs a deux pistons coaxiaux
GB2125329B (en) A device for supporting a door on one of its longitudinal edges
FR2584243B1 (fr) Plastron a fenetre pour goulotte
GB2110359B (en) A portable lamp device
DE3262690D1 (en) Screw fastening device
JPS57175598A (en) Lubricating device
JPS57175597A (en) Lubricating device

Legal Events

Date Code Title Description
ST Notification of lapse